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Annotation of cci/sys/tahoe/Knegf.x, revision 1.1.1.1

1.1       root        1: 
                      2: #include "fp.h"
                      3: #include "fp_in_krnl.h"
                      4:        .text
                      5:        .globl  _Knegf
                      6: _Knegf:        .word   0x0000
                      7:        clrl    r1
                      8:        andl3   $EXPMASK,4(fp),r0       /* check for reserved operand,zero. */
                      9:        beql    retzero
                     10:        movl    4(fp),r0                /* fetch operand. */
                     11:        bbc     $31,r0,seton
                     12:        andl2   $(0!SIGNBIT),r0         /* turn it off. */
                     13:        ret
                     14: seton: orl2    $SIGNBIT,r0             /* turn it on. */
                     15:        ret
                     16: retzero:
                     17:        clrl    r0
                     18:        ret

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